Redmine

I have situation when referencing works in one case and doesn't work in other.
Settings:

It works when referencing issue is in parent project for repository's project:

It doesn't work when referencing issue isn't in parent project for repository's project:

I execute this manually after commit:

# cd /var/www/rm2.4.0/ && ruby ./script/rails runner "Repository.fetch_changesets" -e production

Environment:
  Redmine version                2.4.0.stable.12309
  Ruby version                   1.9.3-p327 (2012-11-10) [i686-linux]
  Rails version                  3.2.15
  Environment                    production
  Database adapter               Mysql2
SCM:
  Subversion                     1.8.8
  Git                            1.7.1
  Filesystem                     
Redmine plugins:
  multi_time_tracker             0.1.1
  projects_table                 0.0.4
  redmine_better_gantt_chart     0.9.0
  redmine_drafts                 0.2.0
  redmine_equipment_status_viewer 1.0.1
  redmine_fields_permissions     1.0.0
  redmine_hide_estimated_hours   1.0.5
  redmine_lightbox               0.0.1
  redmine_monitoring_controlling 0.1.1
  redmine_plugin_views_revisions 0.0.1
  redmine_timesheet_plugin       0.7.0
  redmine_xls_export             0.2.1.t4